Which protist causes African sleeping sickness?
A) Didinium B) Plasmodium C) Giardia D) Trypanosoma E) Pfiesteria
D
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The smallest blood vessels are __________
a. capillaries b. arteries c. veins d. both arteries and veins
Alleles are defined as ________
a. paired chromosomes with the same size and shape b. different genes c. different forms of a gene d. genetically identical copies of an individual
The region of the frontal lobe that controls voluntary movement is called the:
a. motor region b. voluntary cortex c. primary motor cortex d. somatosensory cortex e. primary auditory cortex
Refer to Figure 14-1. The structure labeled 7 in the figure of the tryptophan operon is:
a. an active repressor protein.
b. an inactive repressor protein.
c. an active RNA polymerase.
d. an inactive RNA polymerase.
e. a ribosome.